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authorHarpreet2016-09-03 00:34:27 +0530
committerHarpreet2016-09-03 00:34:27 +0530
commit4b64cf486f5c999fd8167758cae27839f3b50848 (patch)
treed9d06639fb7fa61aef59be0363655e4747105ec7 /build/Bonmin/include/coin/BonCbcNlpStrategy.hpp
parentd19794fb80a271a4c885ed90f97cfc12baa012f2 (diff)
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Structure updated and intqpipopt files added
Diffstat (limited to 'build/Bonmin/include/coin/BonCbcNlpStrategy.hpp')
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diff --git a/build/Bonmin/include/coin/BonCbcNlpStrategy.hpp b/build/Bonmin/include/coin/BonCbcNlpStrategy.hpp
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-// (C) Copyright International Business Machines Corporation and Carnegie Mellon University 2006
-// All Rights Reserved.
-// This code is published under the Eclipse Public License.
-//
-// Authors :
-// John J. Forrest, International Business Machines Corporation
-// Pierre Bonami, Carnegie Mellon University,
-//
-// Date : 03/15/2006
-
-#ifndef BonCbcNlpStrategy_H
-#define BonCbcNlpStrategy_H
-
-#include "CbcStrategy.hpp"
-class CglPreProcess;
-class CbcNodeInfo;
-class CbcNode;
-class CoinWarmStartDiff;
-
-
-namespace Bonmin
-{
- class CbcNlpStrategy : public CbcStrategy
- {
- public:
-
- // Default Constructor
- CbcNlpStrategy (int maxFailures,
- int maxInfeasibles,
- int pretendFailIsInfeasible);
-
- // Copy constructor
- CbcNlpStrategy ( const CbcNlpStrategy &);
-
- // Destructor
- virtual ~CbcNlpStrategy ();
-
- /// Clone
- virtual CbcStrategy * clone() const;
-
- /// Return a new Full node information pointer (descendant of CbcFullNodeInfo)
- virtual CbcNodeInfo * fullNodeInfo(CbcModel * model,int numberRowsAtContinuous) const;
- /// Return a new Partial node information pointer (descendant of CbcPartialNodeInfo)
- virtual CbcNodeInfo * partialNodeInfo(CbcModel * model, CbcNodeInfo * parent, CbcNode * owner,
- int numberChangedBounds,const int * variables,
- const double * boundChanges,
- const CoinWarmStartDiff *basisDiff) const;
- /** After a CbcModel::resolve this can return a status
- -1 no effect
- 0 treat as optimal
- 1 as 0 but do not do any more resolves (i.e. no more cuts)
- 2 treat as infeasible
- */
- virtual int status(CbcModel * model, CbcNodeInfo * parent, int whereFrom);
- /// set maximum number of consecutive failures in a branch before giving up
- inline void setMaxFailure(int value)
- {
- maxFailure_ = value;
- }
- /// maximum number of consecutive infeasible nodes before giving up
- inline void setMaxInfeasible(int value)
- {
- maxInfeasible_ = value;
- }
-
- /// Setup cut generators
- virtual void setupCutGenerators(CbcModel & model);
- /// Setup heuristics
- virtual void setupHeuristics(CbcModel & model);
- /// Do printing stuff
- virtual void setupPrinting(CbcModel & model,int modelLogLevel);
- /// Other stuff e.g. strong branching and preprocessing
- virtual void setupOther(CbcModel & model);
-
- bool hasFailed()
- {
- return hasFailed_;
- }
- protected:
- // Data
- /// did we fail?
- bool hasFailed_;
- /// maximum number of consecutive failures in a branch before giving up
- int maxFailure_;
- /// maximum number of consecutive infeasible nodes before giving up
- int maxInfeasible_;
- /** If yes when a problem is not solved (failed to be solved)
- will pretend that it is infeasible. */
- int pretendFailIsInfeasible_;
-
- private:
- /// Illegal Assignment operator
- CbcNlpStrategy & operator=(const CbcNlpStrategy& rhs);
-
- };
-}
-
-#endif